Classification
100 - Philosophy & psychology
400 - Language
7
410 - Linguistics
6
414 - Phonology & phonetics
6
333 - Economics of land & energy
4
140 - Specific philosophical schools
2
700 - The arts; fine & decorative arts
2
000 - Computer science, information & general works
1
170 - Ethics
1
300 - Social sciences
1
330 - Economics
1
340 - Law
1
500 - Natural sciences & mathematics
1
576 - Genetics & evolution
1
658 - General management
1
780 - Music
1
900 - History & geography
1